2026 Kenworth T680 For Sale

2026 Kenworth T680 76" High-Roof Aerodyne Sleeper .
Built for linehaul freight, this Kenworth T680 Series is spec'd with a PACCAR MX-13 510 HP engine, PACCAR TX-12 12-speed automated transmission, a 76" integral high-roof Aerodyne, and a fuel range-ready tank combination.  .
Engine & Powertrain:.

Engine: PACCAR MX-13 510 HP @ 1600 RPM and 1850 lb-ft @ 1000 RPM with engine brake
Transmission: PACCAR TX-12 automated, 12-speed, rated for 1850 lb-ft, with Hill Start Assist, Bottom PTO
Driveline: 2 Meritor RPL35 with 1 carrier bearing

Weights & Dimensions:.

Wheelbase: 232"
Axle Loads: Front 13,200 lbs and Rear 40,000 lbs 
GCW: 105,000 lbs
Front GAWR: 13,200 lbs
Rear GAWR: 20,000 lbs
GVWR: 53,200 lbs 

Axles, Suspension & Brakes:.
Front Axle & Steering.

Front Axle: MFS13 PLUS 13.2K, 3.5" drop, wide track
Front Suspension: Taperleaf 13.2K with shocks
Power Steering: Sheppard HD94 (13.2K)

Rear Axles & Suspension.

Rear Axles: Meritor MP40-14X4 40K dual with pump
Rear Axle Ratio: 3.08
Suspension: Kenworth AG400L 40K dual, 54" axle spacing, 8.5" ride height, single level valve
Crosslock: Meritor Crosslock with cab control

Brakes & Stability.

ABS/Traction/Stability: Bendix 4S/4M with ATC and Electronic Stability Program (ESP)

Tires, Wheels & Rims:.

Front Tires: Michelin X Line Energy Z 11R22.5 16PR
Rear Tires: Michelin X Multi Energy D 11R22.5 14PR (rear tire qty 8)
Aluminium Wheels: 22.5 x 8.25 7-spoke aluminium, Ultra One, high polish, hub piloted

Frame, Fifth Wheel & Exterior Equipment:.

Frame Rails: 10-5/8" x 5/16" steel (285-336")
Bumper: Aero, painted, with air dams; removable front two hooks (2)
Chassis Fairings: Partial both sides (76" sleeper)
Fifth Wheel: ILS air slide fifth wheel (55K)

Fuel & DEF:.

Fuel Tanks: 150 US gal (RH behind cab) + 120 US gal (LH behind cab)
DEF Tank: 27 gal, large aero round, rear fill
Insulated Fuel Draw Lines

Cab, Sleeper & Interior:.

Cab: Stamped aluminium with panoramic curved windshield, LED marker lights/signals
Sleeper: 76" integral high-roof Aerodyne with LH/RH windows and locking tool doors
Sleeper Door: RH door with sliding window; LH door without window
Bunk Heater: Espar AX3 (Airtronic 3 D2)
Interior Colour: Slate Gray
Interior Package: Vantage Cab
Driver Seat: Kenworth GT702 HB UltraLeather (heat, air-ride), black
Passenger Seat: Kenworth GT702 HB UltraLeather (air-ride), black
Fridge/Freezer: Drawer-style refrigeration/freezer
Bunks: Liftable lower bunk (42"x80") + folding upper bunk (30"x78") with foam mattress and upper bunk LED lamp
Steering Wheel: 18" non-leather SmartWheel with integrated radio & cruise controls
Radio/Nav: Kenworth radio and navigation compatible with Apple CarPlay
Cobra 29 CB Radio
Power: 76" sleeper power package - 1800W inverter, 120V low-voltage disconnect, 4 sleeper outlets
Remote Keyless Entry

Lighting:.

Headlamps: Dual LED with signature DRL
Floodlights: Dual LED pedestal + dual flush

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